Homer wants a younger, hipper image. So he starts hanging out with Terrence and Emily, his cool new neighbors from Portland, OR. But Marge finds their trendy parenting methods extreme and Bart quickly realizes their son, T-Rex, is super-pretentious.

Homer joins the "Springfield Preppers," an off-the-grid survivalist group whose leader has set up a top-secret retreat outside of town to prepare for the end of the world. But Marge grows skeptical of the group's alarmist shenanigans.